Re: [GENERAL] powerset?

2006-09-23 Thread Michael Fuhr
On Fri, Sep 22, 2006 at 11:38:12PM -0700, Ben wrote: > Does anybody have a stored proc they'd like to share (preferably pl/ > pgsql) that generates the power set of an array? Here's an attempt: CREATE FUNCTION powerset(a anyarray) RETURNS SETOF anyarray AS $$ DECLARE retval a%TYPE; alow

Re: [GENERAL] Optimising a query requiring seqscans=0

2006-09-23 Thread Russ Brown
On Thu, 2006-09-21 at 23:39 -0400, Jim Nasby wrote: > On Sep 14, 2006, at 11:15 AM, Russ Brown wrote: > > We recently upgraded our trac backend from sqlite to postgres, and I > > decided to have a little fun and write some reports that delve into > > trac's subversion cache, and got stuck with a qu

[GENERAL] How to avoid error with convert() function

2006-09-23 Thread zeljko
SELECT convert(myfield,'LATIN2','WIN1250') FROM tbl; ERROR: character 0x828e of encoding "MULE_INTERNAL" has no equivalent in "WIN1250" I know I have few characters like this one in table with about 1.000.000 rows. How to avoid such error and show eg. ? instead of error , or how to replace such